hlbrc.cn.		30 IN SOA dns1.hlbrc.cn. master.hlbrc.cn. (
				1803291007 ; serial
				120        ; refresh (2 minutes)
				120        ; retry (2 minutes)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

Name servers:
hlbrc.cn.		30 IN NS dns1.hlbrc.cn.
hlbrc.cn.		30 IN NS .